Celes, Rune Knight, and Umbral Collar Zealot

Prerequisites

• Celes, Rune Knight on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing the persist creature
2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When the persist creature enters the battlefield, Celes's second ability triggers, putting a +1/+1 counter on each creature you control
4. Resolve the Umbral Collar Zealot ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters
• Infinite surveil 1